Home / 905,408.26-1,249,463.01-497,536.40

Finding the Fourth Proportional to 905,408.26, 1,249,463.01 and 497,536.40

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Solution

The fourth proportional to 905,408.26, 1,249,463.01 and 497,536.40 is: 686,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,408.26 : 1,249,463.01 = 497,536.40 : x
  2. Step 2: Convert to fraction form
    905,408.26/1,249,463.01 = 497,536.40/x
  3. Step 3: Cross multiply
    905,408.26x = 1,249,463.01 × 497,536.40
  4. Step 4: Simplify right side
    905,408.26x = 621,653,332,917.98
  5. Step 5: Solve for x
    x = 621,653,332,917.98/905,408.26
  6. Step 6: Final answer
    x = 686,600.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.